Integrated physical and mental healthcare: an overview of models and their evaluation findings.

Abstract

Comorbid physical and mental health problems are common across the age spectrum. However, services addressing these health concerns are typically siloed and disconnected. Over the past 2 decades efforts have been made to design integrated services to address the physical and mental health needs of the population but little is known about the characteristics of effective integrated care models. The aim of the review was to map the design of integrated care initiatives/models and to describe how the models were evaluated and their evaluation findings. Using a scoping review methodology, quantitative and qualitative evidence was systematically considered. To identify studies, Medline, PubMed, PsychINFO, CINAHL were searched for the period from 2003 to 2018, and reference lists of included studies and review articles were examined. The current review identified 43 studies, describing 37 models of integrated physical and mental healthcare. Although modest in terms of evaluation design, it is evident that models are well received by consumers and providers, increase service access, and improve physical and mental health outcomes. Key characteristics of models include shared information technology, financial integration, a single-entry point, colocated care, multidisciplinary teams, multidisciplinary meetings, care coordination, joint treatment plan, joint treatment, joint assessment/joint assessment document, agreed referral criteria and person-centred care. Although mostly modest in term of research design, models were well received by consumers and providers, increased service access and improved physical and mental health outcomes. There was no clear evidence regarding whether models of integrated care are cost neutral, increase or reduce costs. Future research is needed to identify the elements of integrated care that are associated with outcomes, measure cost implications and identify the experiences and priorities of consumers and clinicians.